protected override void OnStart()
{
// Initialize NEWS
news = new List <string>();
// initialize c-bot link
botLink = new cBotLink();
botLink.SubKey = "Software\\cAlgo4u\\News Manager\\Alerts";
// set up container for all paused robots
pausedRobots = new List <cAlgo4u.Robot>();
// iterate through enums
CurrencyList = Enum.GetValues(typeof(Currencies));
// reset the instrument flags to false, no news
foreach (Currencies currency in CurrencyList)
{
botLink.Write(currency.ToString(), false);
}
if (IncludeNewsReleaseStop)
{
InitialiseNewsRelease();
}
// setup timer to invoke method each minute
System.Timers.Timer aTimer = new System.Timers.Timer();
aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
aTimer.Interval = 60000;
aTimer.Enabled = true;
Print(cAlgoVersion);
}
/// <summary>
/// called every minute to check for news releases
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnTimedEvent(object sender, ElapsedEventArgs e)
{
if (IncludeNewsReleaseStop)
{
// re-open any closed news items after the pause period
foreach (var myBot in pausedRobots)
{
// re-start robot if time is after paused time
if (LocalDateTime >= myBot.ReStartTime.AddMinutes(-1))
{
Print("** " + myBot.Currency + " **");
Print("ROBOT RESTARTED.");
botLink.Write(myBot.Currency, false);
Notifications.SendEmail(EmailFrom, EmailTo, "UPDATE: " + myBot.NewsEvent, "The news event is over and your cAlgo instance has started trading again.");
if (IncludePauseAllInstances)
{
foreach (Currencies currency in CurrencyList)
{
botLink.Write(currency.ToString(), false);
}
pausedRobots.Clear();
break;
}
// remove old news item from list
pausedRobots.Remove(myBot);
break;
}
}
// close only trades that relate to the currency a news release relates to.
if (fxNews.IsSuccess)
{
try
{
string message = string.Empty;
foreach (NewsItem item in fxNews.NewsItems)
{
DateTime timeBeforeNews = item.UtcDateTime.AddMinutes(-MinsB4News);
DateTime localTime = LocalDateTime;
// if past news continue
if (localTime > item.UtcDateTime)
{
continue;
}
// is there a robot for this currency already paused?
var botExists = pausedRobots.Where(x => x.Currency == item.Currency).SingleOrDefault();
// has news release occurred
if (localTime >= timeBeforeNews && localTime < item.UtcDateTime && botExists == null)
{
Print("");
Print("NEWS RELEASE IN " + MinsB4News.ToString() + " MINUTES.");
Print(item.Event);
// if user wants all instances to pause
if (IncludePauseAllInstances)
{
foreach (Currencies currency in CurrencyList)
{
// Stop robots from opening any new trades
botLink.Write(currency.ToString(), true);
// store information about the paused robot and add to list of other robots paused.
cAlgo4u.Robot cBot = new cAlgo4u.Robot(item.UtcDateTime, MinsReStart, currency.ToString(), item.Event);
// add to list
pausedRobots.Add(cBot);
}
}
else
{
// only stop individual currency
botLink.Write(item.Currency, true);
// store information about the paused robot and add to list of other robots paused.
cAlgo4u.Robot cBot = new cAlgo4u.Robot(item.UtcDateTime, MinsReStart, item.Currency, item.Event);
// add to list
pausedRobots.Add(cBot);
}
if (IncludeEmail)
{
message = "NEWS EVENT OCCURRING AT " + item.UtcDateTime.ToShortTimeString();
message += "\n\n" + item.Event;
message += "\n\nVolatility: " + item.Importance.ToString().ToUpper();
message += "\nAll currency pairs with " + item.Currency.ToUpper() + " will stop trading and positions will close.";
message += "\nNews event will occur in " + MinsB4News.ToString() + " minutes.";
message += "\nCurrency pairs will be paused for " + MinsReStart.ToString() + " minutes after the news event has occurred.";
Notifications.SendEmail(EmailFrom, EmailTo, "WARNING: " + item.Event, message);
}
}
}
} catch (Exception er)
{
Print("Error occurred shutting down during a news release: " + er.InnerException.ToString());
}
}
}
}